生成xml字符串或xml文件

 

import java.io.FileWriter;
import java.io.IOException;
import java.io.StringWriter;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

import net.sf.json.xml.XMLSerializer;

 

public class XmlBean {

 

public static Document GetDocument() {

  Document document = DocumentHelper.createDocument();

 

  Element root = document.addElement("root");

 

  Element author1 = root.addElement("Lynch");
  author1.addAttribute("Age", "25");
  author1.addAttribute("Country", "China");
  author1.addText("I am great!");

 

  Element author11 = author1.addElement("ssss");
  author11.addAttribute("Age", "25");
  author11.addAttribute("Country", "中国");
  author11.addText("I am great!");

 

  Element author2 = root.addElement("Legend");
  author2.addAttribute("Age", "25");
  author2.addAttribute("Country", "China");
  author2.addText("I am great!too!");

 

  return document;

 }

 

 public static String GetXMLString() {

  StringWriter sw = new StringWriter();
  XMLWriter writer = null;
  OutputFormat format = OutputFormat.createPrettyPrint();
  format.setEncoding("GBK");

  try {

   writer = new XMLWriter(format);

   writer.setWriter(sw);

   writer.write(GetDocument());

   writer.close();

  } catch (IOException e) {

   e.printStackTrace();

  }
  System.out.println(sw.toString());

  return sw.toString();

 }

 

 public static void CreateXMLFile() {

  try {

   // Document document =
   // DocumentHelper.parseText(GetXMLString());//将字符串转化为Document对象
   Document document = GetDocument();// 自行构造Document对象

   OutputFormat format = OutputFormat.createPrettyPrint();
   format.setEncoding("UTF-8");

   XMLWriter writer = new XMLWriter(new FileWriter(
     "../json/src/demo3.xml"), format);// 格式化输出

   // XMLWriter writer = new XMLWriter(new
   // FileWriter("../json/src/demo3.xml"));

 

   writer.write(document);
   writer.close();

  } catch (IOException e) {
   e.printStackTrace();
  }

 }

}

可参阅：dom4j http://baike.baidu.com/view/1460716.htm